TÜV NORD and GE Renewable Energy Announce first Design Conformity Statement for wind turbines with a lifetime of 40 years TÜV NORD issues first Design Evaluation Conformity Statement for forty years, twice the customary length Approach positions GE Renewable Energy and TÜV NORD as industry pioneers Certification cover GE Renewable Energy's 2.7-116 turbine (WK-intern) - GE Renewable Energy and TÜV NORD today announced a milestone in the testing and certification of wind turbines today, the first design conformity statement to cover a 40-year period. TÜV NORD issued the statement for GE Renewable Energy's 2.7-116 turbine in accordance with the IEC 61400-22 standard. It is the